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Dynamic partial reconfiguration scheme for fault-tolerant FFT processor based on FPGA

机译:动态部分<?显示[AQ =“ID =”Q1“”?>基于FPGA的容错FFT处理器重新配置方案

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摘要

The fast Fourier transform FFT processor is an important part of the space real-time signal processing system based on field programmable gate array (FPGA). Since occupying a large amount of logical resources and storage resources, FFT processor is more vulnerable to high-energy particles in space, resulting in single event upset (SEU). This paper presents a novel FPGA scrubbing framework base on dynamic partial reconfiguration technique for a FFT processor to mitigate SEU. The proposed scheme is compared with the blind scrubbing, the reconfiguration time is reduced by 78%. Then, the resource utilisation is 61.5% less than triple modular redundancy scheme. This paper also presents a DPR controller for FFT processor, which is evaluated in terms of hardware resources and reconfiguration time. A comparison to the Xilinx PRC IP shows that multipath delay feedback FFT controller saves 38.6% resources.
机译:快速傅里叶变换FFT处理器是基于现场可编程门阵列(FPGA)的空间实时信号处理系统的重要组成部分。由于占据大量逻辑资源和存储资源,FFT处理器更容易受到空间中的高能量粒子的影响,从而导致单一事件不适(SEU)。本文介绍了一种新型FPGA擦洗框架,用于动态部分重新配置技术,用于减轻SEU的FFT处理器。将所提出的方案与盲擦洗进行比较,重新配置时间减少了78%。然后,资源利用率小于三重模块化冗余方案的61.5%。本文还为FFT处理器提供了DPR控制器,其在硬件资源和重新配置时间方面进行了评估。与Xilinx PRC IP的比较显示,多径延迟反馈FFT控制器可节省38.6%的资源。

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